function all(){
      var date=new Date();
      return date.getFullYear()+"年"+(date.getMonth()+1)+"月"+date.getDate()+"日"; 
}
function add(){
    var date=new Date();
    var s=date.getHours();
    var m=date.getMinutes();
    var d=date.getSeconds();
    return s+":"+m+":"+d;
}
function sj(){
    return Math.random()*899999+100000;
}

function zh(){
    var a="开始学习JS";
    var b=escape(a);
    var c="#^^?(%&()"
    var d=escape(c);
    var e=b+d;
    return e;
}

function zh2(){
    var c="%u5F00%u59CB%u5B66%u4E60%23%5E%5E%3F%28%25%26%28%29 "
    var d=unescape(c);
    return d;
}
